Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 354, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 4, 1997, 6:45 PM EDT for Catoosa County, Whitfield County, Georgia. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 4, 1997, 6:45 PM EDT (22:45 UTC)
- Expired
- Jul 4, 1997, 7:15 PM EDT
- In force
- 30 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Catoosa County, GA, Whitfield County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 6:45 PM EDT | Thunderstorm Wind | Dalton, GA | Several trees were knocked down by thunderstorm winds. A tree fell across power lines and a car in Dalton. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 173 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 547 J/kg
- Mixed-layer CIN
- -412 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- -52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 042246 SVRATL GAC047-313-042315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 645 PM EDT FRI JUL 4 1997 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...NORTHERN CATOOSA COUNTY...NORTHERN WHITFIELD COUNTY AT 743 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM NEAR GRAYSVILLE MOVING EAST AT 40 MPH. THIS PATH WILL TAKE THE STORM OVER COHUTTA IN WHITFIELD COUNTY BY 7 PM EDT. THIS STORM HAS BEEN ACCOMPANIED WITH DAMAGING WINDS KNOCKING OVER SEVERAL TREES AND POWER LINES. WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES, UNLESS IN AN EMERGENCY. IF BOATING OR SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN FIND A LOW SPOT AWAY FROM TREES, FENCES, AND POLES. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 4, 3:59 PM EDT, 2 hours 46 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-050000- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 359 PM EDT FRI JUL 4 1997 THERE IS A SLIGHT RISK OF ISOLATED SEVERE THUNDERSTORMS OVER PORTIONS OF NORTH AND EVEN CENTRAL GEORGIA THIS AFTERNOON AND EVENING. THIS AREA IS GENERALLY NORTH OF A COLUMBUS...MACON...AGUSTA LINE. VERY STRONG AND SEVERE THUNDERSTORMS IN SOUTHERN TENNESSEE AND EXTREME NORTHWEST ALABAMA MAY CONTINUE TO DEVELOP AND MOVE TO THE EAST...AFFECTING PORTIONS OF NORTH AND POSSIBLY CENTRAL GEORGIA. A WARM AND VERY MOIST AIRMAS COMBINED WITH THE LIFTING FROM AN APPROACHING FRONTAL SYSTEM AND PLENTY OF AFTERNOON HEATING WILL AID IN MAKING THE AREA RIPE FOR THESE STRONG STORMS TO CONTINUE OVER THE AREA. GIVEN THE SHALLOW LAYER OF MOISTURE IN THE GEORGIA ATMOSPHERE AND THE DRYER MIDLEVELS...VERY STRONG DOWNBURST WINDS MAY BE POSSIBLE WITH ANY THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO FURTHER STATEMENTS...SHORT TERM FORECASTS...AND ANY WATCHES OR WARNINGS ISSUED BY THIS OFFICE. 99
Special weather statement, Jul 4, 4:00 PM EDT, 2 hours 45 minutes before
GAZ001>166-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 400 PM EDT FRI JUL 4 1997 HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF HOURS SATURDAY AFTERNOON. A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:00 PM EDT, 2 hours 45 minutes before
GAZ001>166-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 400 PM EDT FRI JUL 4 1997 HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF HOURS SATURDAY AFTERNOON. A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:04 PM EDT, 2 hours 41 minutes before
GAZ001>166-050000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 400 PM EDT FRI JUL 4 1997 HOT TEMPERATURES ACROSS GEORGIA ARE EXPECTED TO MODERATE THE NEXT COUPLE OF DAYS. WITH A RETURN TO MORE NORMAL TEMPERATURES AS WELL AS SOMEWHAT LOWER HUMIDITIES THE HEAT INDEX IS EXPECTED TO REMAIN BELOW 105 OVER MOST OF THE STATE SATURDAY. HOWEVER SOME AREAS OF SOUTH GEORGIA COULD SEE A HEAT INDEX NEAR 105 FOR A COUPLE OF HOURS SATURDAY AFTERNOON. A HEAT INDEX OF 105 IS CONSIDERED TO BE THE LEVEL WHERE PEOPLE BEGIN TO EXPERIENCE EXTREME DISCOMFORT OR STRESS. WITH AN INCREASE IN CLOUDS AND EVEN LOWER TEMPERATURES ON SUNDAY...THE HEAT INDEX SHOULD REMAIN BELOW 105 FOR THE ENTIRE STATE.
Special weather statement, Jul 4, 4:07 PM EDT, 2 hours 38 minutes before
GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 091>098-103>113-050000- NORTH AND CENTRAL GEORGIA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE PEACHTREE CITY GA 359 PM EDT FRI JUL 4 1997 THERE IS A SLIGHT RISK OF ISOLATED SEVERE THUNDERSTORMS OVER PORTIONS OF NORTH AND EVEN CENTRAL GEORGIA THIS AFTERNOON AND EVENING. THIS AREA IS GENERALLY NORTH OF A COLUMBUS...MACON...AUGUSTA LINE. VERY STRONG AND SEVERE THUNDERSTORMS IN SOUTHERN TENNESSEE AND EXTREME NORTHWEST ALABAMA MAY CONTINUE TO DEVELOP AND MOVE TO THE EAST...AFFECTING PORTIONS OF NORTH AND POSSIBLY CENTRAL GEORGIA. A WARM AND VERY MOIST AIRMASS COMBINED WITH THE LIFTING FROM AN APPROACHING FRONTAL SYSTEM AND PLENTY OF AFTERNOON HEATING WILL AID IN MAKING THE AREA RIPE FOR THESE STRONG STORMS TO CONTINUE OVER THE AREA. GIVEN THE SHALLOW LAYER OF MOISTURE IN THE GEORGIA ATMOSPHERE AND THE DRYER MIDLEVELS...VERY STRONG DOWNBURST WINDS MAY BE POSSIBLE WITH ANY THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SPOTTERS SHOULD REMAIN ALERT IN CASE ACTIVATION IS NEEDED. EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE SITUATION BY BEING ALERT TO FURTHER STATEMENTS...SHORT TERM FORECASTS...AND ANY WATCHES OR WARNINGS ISSUED BY THIS OFFICE. 99
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 6:12 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 48 min |
| Jul 4, 6:58 PM EDT | Severe Thunderstorm Warning | FFC | Murray | 32 min |
| Jul 4, 7:15 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 45 min |
| Jul 4, 7:37 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Lumpkin, Pickens | 53 min |
| Jul 4, 7:37 PM EDT | Severe Thunderstorm Warning | FFC | Union | 53 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.